714
FNCA52 TJSJ 230856
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
456 AM AST TUE DEC 23 2025
DISCUSSION
PASSING SHOWERS OVER WINDWARD AREAS WILL PREVAIL TODAY, WITH
MODERATE TO FRESH WINDS PUSHING THEM MORE INLAND. ADDITIONAL
SHOWERS ARE ALSO POSSIBLE THIS AFTERNOON OVER INTERIOR TO WSW
PUERTO RICO. NE WINDS WILL BE AT 15 TO 20 MPH WITH HIGHER GUSTS
ACROSS COASTAL SECTORS. THE FIRE DANGER WILL REMAIN LOW TODAY.
CONTINUE TO MONITOR THE FORECAST FOR ANY UPDATES.
PRZ014-240900-
SOUTHEAST COASTAL PLAINS-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 10 40
TEMP (24H TREND) 88 (+2) 67 (-3) 87
RH % (24H TREND) 48 (-8) 98 (+7) 47
WIND 20FT/EARLY(MPH) NE 18 G23 NE 12 NE 14 G20
WIND 20FT/LATE(MPH) NE 18 G23 NE 12 NE 14 G20
MIXING HGT(FT-AGL/MSL)5260 6100
TRANSPORT WND (MPH) NE 16 NE 14
VENT RATE (KT-FT) 73640 73200
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-240900-
SOUTHERN HILLS-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 40 10 50
TEMP (24H TREND) 84 (+4) 65 (-3) 83
RH % (24H TREND) 60 (-10) 100 (+6) 63
WIND 20FT/EARLY(MPH) NE 14 NE 13 NE 12
WIND 20FT/LATE(MPH) NE 14 NE 13 NE 12
MIXING HGT(FT-AGL/MSL)5300 5790
TRANSPORT WND (MPH) NE 17 NE 15
VENT RATE (KT-FT) 79500 75270
DISPERSION 5 5
DSI 5 4 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-240900-
NORTH COASTAL PLAINS-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 50 40 50
TEMP (24H TREND) 85 (0) 67 (-4) 84
RH % (24H TREND) 65 (-4) 100 (+5) 66
WIND 20FT/EARLY(MPH) E 17 G20 NE 16 G18 NE 16
WIND 20FT/LATE(MPH) E 17 G20 NE 16 G18 NE 16
MIXING HGT(FT-AGL/MSL)4480 4740
TRANSPORT WND (MPH) E 20 NE 18
VENT RATE (KT-FT) 76160 75840
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-240900-
NORTHERN HILLS-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 40 30 50
TEMP (24H TREND) 84 (+1) 65 (-4) 84
RH % (24H TREND) 64 (-5) 100 (+5) 66
WIND 20FT/EARLY(MPH) NE 17 E 16 NE 14
WIND 20FT/LATE(MPH) NE 17 E 16 NE 14
MIXING HGT(FT-AGL/MSL)4830 5120
TRANSPORT WND (MPH) E 21 NE 18
VENT RATE (KT-FT) 86940 81920
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-240900-
WEST COAST-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 50 20 50
TEMP (24H TREND) 87 (+1) 65 (-4) 87
RH % (24H TREND) 59 (-9) 100 (+6) 62
WIND 20FT/EARLY(MPH) E 19 NE 19 E 18
WIND 20FT/LATE(MPH) E 19 NE 19 E 18
MIXING HGT(FT-AGL/MSL)5080 5000
TRANSPORT WND (MPH) E 17 NE 16
VENT RATE (KT-FT) 76200 70000
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-240900-
EASTERN INTERIOR-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 40 50
TEMP (24H TREND) 83 (+1) 65 (-4) 83
RH % (24H TREND) 66 (-5) 100 (+2) 68
WIND 20FT/EARLY(MPH) NE 13 NE 14 NE 12
WIND 20FT/LATE(MPH) NE 13 NE 14 NE 12
MIXING HGT(FT-AGL/MSL)4160 4920
TRANSPORT WND (MPH) NE 17 NE 15
VENT RATE (KT-FT) 62400 63960
DISPERSION 5 5
DSI 5 4 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-240900-
LUQUILLO MOUNTAIN RANGE-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 60 60
TEMP (24H TREND) 79 (+2) 64 (-3) 78
RH % (24H TREND) 71 (-5) 100 (0) 73
WIND 20FT/EARLY(MPH) NE 11 NE 10 NE 9
WIND 20FT/LATE(MPH) NE 11 NE 10 NE 9
MIXING HGT(FT-AGL/MSL)3720 4030
TRANSPORT WND (MPH) NE 18 NE 15
VENT RATE (KT-FT) 59520 52390
DISPERSION 5 5
DSI 5 5 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-240900-
CENTRAL MOUNTAIN RANGE-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 40 10 50
TEMP (24H TREND) 82 (+3) 64 (-2) 81
RH % (24H TREND) 64 (-7) 100 (+5) 65
WIND 20FT/EARLY(MPH) NE 16 NE 16 NE 14
WIND 20FT/LATE(MPH) NE 16 NE 16 NE 14
MIXING HGT(FT-AGL/MSL)5100 5660
TRANSPORT WND (MPH) NE 20 NE 17
VENT RATE (KT-FT) 86700 84900
DISPERSION 5 5
DSI 5 4 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-240900-
CAYEY MOUNTAIN RANGE-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 30 40
TEMP (24H TREND) 80 (+2) 64 (-3) 78
RH % (24H TREND) 69 (-6) 100 (+1) 70
WIND 20FT/EARLY(MPH) NE 12 NE 11 NE 11
WIND 20FT/LATE(MPH) NE 12 NE 11 NE 11
MIXING HGT(FT-AGL/MSL)4310 5010
TRANSPORT WND (MPH) NE 18 NE 15
VENT RATE (KT-FT) 68960 65130
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-240900-
VIEQUES-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 50 50
TEMP (24H TREND) 85 (0) 70 (-2) 85
RH % (24H TREND) 60 (-2) 99 (+5) 61
WIND 20FT/EARLY(MPH) NE 16 G20 NE 18 G22 NE 13 G17
WIND 20FT/LATE(MPH) NE 16 G20 NE 18 G22 NE 13 G17
MIXING HGT(FT-AGL/MSL)3620 3690
TRANSPORT WND (MPH) NE 21 NE 20
VENT RATE (KT-FT) 65160 62730
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-240900-
CULEBRA-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 30 50 50
TEMP (24H TREND) 85 (-1) 71 (-3) 85
RH % (24H TREND) 60 (-4) 99 (+6) 62
WIND 20FT/EARLY(MPH) NE 16 G20 NE 19 G23 NE 13 G17
WIND 20FT/LATE(MPH) NE 16 G20 NE 19 G23 NE 13 G17
MIXING HGT(FT-AGL/MSL)3600 3780
TRANSPORT WND (MPH) NE 23 NE 20
VENT RATE (KT-FT) 72000 64260
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-240900-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 50 20 60
TEMP (24H TREND) 89 (+3) 66 (-4) 88
RH % (24H TREND) 47 (-10) 100 (+7) 47
WIND 20FT/EARLY(MPH) E 19 G22 NE 20 G23 E 18 G21
WIND 20FT/LATE(MPH) E 19 G22 NE 20 G23 E 18 G21
MIXING HGT(FT-AGL/MSL)5720 5870
TRANSPORT WND (MPH) E 14 E 13
VENT RATE (KT-FT) 68640 64570
DISPERSION 5 5
DSI 5 4 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-240900-
SAINT THOMAS AND SAINT JOHN-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 40 40
TEMP (24H TREND) 86 (+1) 70 (-3) 86
RH % (24H TREND) 60 (-4) 100 (+6) 60
WIND 20FT/EARLY(MPH) NE 17 G21 NE 19 G23 NE 14 G18
WIND 20FT/LATE(MPH) NE 17 G21 NE 19 G23 NE 14 G18
MIXING HGT(FT-AGL/MSL)3860 3750
TRANSPORT WND (MPH) E 23 NE 20
VENT RATE (KT-FT) 77200 63750
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-240900-
ST CROIX-
456 AM AST TUE DEC 23 2025
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 30
TEMP (24H TREND) 85 (0) 71 (-3) 85
RH % (24H TREND) 62 (-2) 98 (+8) 61
WIND 20FT/EARLY(MPH) NE 17 G21 NE 17 G21 NE 13 G17
WIND 20FT/LATE(MPH) NE 17 G21 NE 17 G21 NE 13 G17
MIXING HGT(FT-AGL/MSL)4340 4170
TRANSPORT WND (MPH) NE 22 NE 18
VENT RATE (KT-FT) 82460 66720
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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